27 Questions
What is the primary function of keratin?
Helps form the hair, nail and skin
Which type of cell in the epidermis helps prevent water loss and inhibit bacterial growth on the skin surface?
Sebaceous gland
What is another name for the subcutaneous layer of the skin?
Hypodermis
Which layer of the epidermis is composed of a keratinized stratified squamous epithelium?
Stratum basale
Which pigment secreted by specialized cells in the skin is capable of absorbing ultraviolet light?
Melanin
Which layer of the epidermis is the site of cell division?
Stratum basale
Which layer of the epidermis contains lamellar granules?
Stratum granulosum
Which type of exocrine gland is connected to a hair follicle?
Sebaceous gland
Which layer of the epidermis is only present in thick skin?
Stratum lucidum
Which skin condition is characterized by inflammation of hair follicles and sebaceous glands caused by bacterial infection?
Boils and carbuncles
In which degree of burn are the epidermis and upper dermis damaged, resulting in blisters?
Second-degree burn
Why are facial burns considered critical?
Can cause swelling and suffocation
Which type of skin cancer is the most common?
Basal cell carcinoma
Which condition causes depigmentation patches in the skin?
Vitiligo
Which structures in the skin detect touch sensations?
Free nerve endings
Which layer of the skin is known as the 'true skin'?
Dermis
Which structures are deep pressure receptors in the skin?
Pacinian corpuscles
What is the main component of the hypodermis layer of the skin?
Dense irregular connective tissue
Which term refers to the redness of skin due to fever, allergic reactions, and infections?
Erythema
Which condition is characterized by the inability to produce melanin?
Vitiligo
Which of the following is NOT a characteristic of thick skin?
Located in the dermis layer
Which structure in the skin plays an important role in thermoregulation?
Sweat glands
What are nails considered to be?
Scale-like modifications of the epidermis
Which gland is connected to a hair follicle?
Sebaceous gland
Which condition is characterized by paleness of the skin, often seen in shock or anemia?
Pallor
Which of the following is NOT a homeostatic contribution of the skin?
Help activate vitamin B
What causes the formation of 'goose bumps' on the skin?
Action of arrector pili muscles
Test your knowledge about the structures and functions of the skin with this multiple-choice quiz. Questions include identifying the characteristics of keratin and understanding how different skin structures prevent water loss and inhibit bacterial growth.
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